# -*- coding: utf-8 -*-#
#-------------------------------------------------------------------------------
# 建立者:        Young  
# Name:         less1.01
# Description:
# Author:       asus
# Date:         2019/3/6
#-------------------------------------------------------------------------------


def hello(name):
    '问候函数'
    print("你好 {}".format(name))
    return None  #什么都不返回的话，建议写个None

if __name__ == '__main__':    #测试的一行代码
    ret = hello('杨芝宾')
    print(ret)
    # print(hello.__doc__) #获取注释
    print(help(hello))  #获取注释